package main

import (
	mars "calc/calcUtils"
	"fmt"
)

func main() {
	fmt.Println("hello, Go world")

	var name = "Malacandra"

	fmt.Printf("%v需要以%v公里/小时的速度行驶才能在28天内开到火星\n", name, mars.Speed(56000000, 28*24))
	fmt.Printf("hello%5vworld\n", 10)
	fmt.Printf("hello%-5vworld", 10)
}
